Southwest region construction

Note: Starting at noon, Friday, Feb. 15, no work will be completed over the weekend in observance of the holiday. All work will resume on Tuesday, Feb. 19, at the projects normally scheduled time.

Please Note: All construction and Maintenance activities are weather dependent.

WSDOT makes it easy to help you "Know before you go," download the WSDOT mobile app. While on the road travelers can tune into the Highway Advisory Radio at 1610 am and 530 am and dial 5-1-1 from their hands-free device for current weather and travel conditions.

Beginning Tuesday, Dec. 18 until further notice: Travelers on both directions of SR 504 at milepost 8.5 near George Taylor Road will alternate through a single lane of the highway, around-the-clock. During daytime single-lane closures, flaggers will direct traffic. Evening single-lane closures will be alternated with a traffic signal. The single-lane closure will remain in place around-the-clock, until construction is complete.

NOTE: The speed limit in the area is temporarily reduced to 25 mph. Travelers should use caution through the area and expect delays.

Tuesday, Feb. 19 to the morning of Friday, Feb. 22: Travelers on both directions of SR 433/Lewis and Clark Bridge will alternate through a single lane with flaggers, nightly, from 9 p.m. to 4 a.m., for utility repair work.

Tuesday, Feb. 19 to Friday, Feb. 22: Travelers on both directions of SR 503, between Niemi Road and McCracken Road, will alternate through a single lane with flaggers, daily, from 7 a.m. to 5 p.m., for utility work.

Beginning Tuesday, April 24, 2018, until further notice: Travelers on both directions of SR 508 between Centralia Alpha Road and Kearney Creek will alternate through a single lane, around-the-clock, for bridge replacement work.

Tuesday, Feb. 19 to Friday, Feb. 22: Travelers on both directions of SR 4, between Messinger Hill Drive and River View East, will be alternated through a single lane with flaggers, daily from 9 a.m. to 4:30 p.m., for tree trimming work.